Environment: Pet Pollution

Now that Americans have espoused planned parenthood, shouldn't their pets also? An article in the current Science and Public Affairs, a respected scientific magazine, asks that question in all seriousness. The answer is yes, according to the authors, Chemist Carl Djerassi, Veterinarian Wolfgang Jochle and Andrew Israel, a medical student. The first two are also top executives at Syntex, a firm that produces contraceptive pills.

The scientists reckon that there is a pet population explosion in the U.S. There already are as many as 110 million cats and dogs in America, which equals...

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